e-Key <span id="jodit_selection_marker_1709022225820_7685650412901586" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Cyphos<span id="jodit_selection_marker_1709022225820_8562271891144628" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>temma
SANBI Flora Keys Logo
Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Vitaceae - Cyphostemma (Planch.) Alston

Description:

  • Erect, prostrate or climbing, perennial herbs, shrubs or trees with succulent stems usually caudiciform
  • Tendrils leaf-opposed or 0
  • Leaves digitately 3-9-foliolate, sometimes simple or palmate, sessile or petiolate, margins variously toothed; stipules present
  • Flowers in leaf-opposed or axillary, ± corymbose cymes; buds cylindric or flask-shaped and constricted ± in middle, apex rounded and often ± inflated
  • Calyx entire or 4-toothed
  • Corolla yellow, yellowish green, sometimes with maroon in upper part; petals 4, hooded at apex, becoming deflexed, soon deciduous
  • Disc of 4 fleshy, truncate or conical glands, ± free from each other, but somewhat adnate to ovary
  • Stamens 4; anthers with straight filaments
  • Ovary with 2 incompletely separated locules, each with 2 ovules; style simple, subulate; stigma minutely 2-fid, subentire or subcapitate
  • Fruit a berry, ovoid or ellipsoid, glabrous or variously hairy
  • Seed usually 1, often crested and rugose
  • x = 11 (polyploidy)

Nomenclature:

  • Cyphostemma (Planch.) Alston
    • Harvey: 249 (1860), under Cissus
    • Alston: 53 (1931)
    • Wild & Drummond: 459 (1966)
    • Descoings: 106 (1968)
    • Merxmüller & Schreiber: 3 (1969)
    • Descoings: 28 (1972)
    • Verdcourt: 48 (1993)
  • Cissus L. sect. Cyphostemma Planch.
    • Planchon: 472 (1887), as Cyphostomma

Distribution & Notes:

  • Global: Species ± 250, cosmopolitan in tropical and subtropical regions
  • Southern Africa: Species 34, except in Northern and Western Cape

References:

  • ALSTON, A.H.G. 1931. Vitaceae. In H. Trimen, The Handbook to the flora of Ceylon 6, supplement. Dulau, London
  • DESCOINGS, B. 1968. Vitacées. Flore du Gabon 14
  • DESCOINGS, B. 1972. Vitacées. Flore du Cameroun 13
  • HARVEY, W.H. 1860. Ampelideae. Flora capensis 1: 249 (under Cissus)
  • MERXMÜLLER, H. & SCHREIBER A. 1969. Vitaceae. Prodromus einer Flora von Südwestafrika 80
  • PLANCHON, J.E. 1887. Ampelideae. In A.L.P.P. & A.C.P. de Candolle, Monographiae phanerogamarum 5,2. G. Masson, Paris
  • VERDCOURT, B. 1993. Flora of tropical East Africa. Vitaceae
  • WILD, H. & DRUMMOND, R.B. 1963. Vitaceae. Flora zambesiaca 2